Tourmaline - Shigar Valley, Pakistan
Contributed by: Mark Cole
Date: Mar 24th, 2026
Locality: Shigar Valley, Shigar District, Gilgit-Baltistan, Pakistan (See on Mindat)
Description:
Originally posted by Mark Cole on Nature's Rainbows in 2015.
Summary of luminescence responses:
Tourmaline (Mindat) (RRUFF)
- Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Blue